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Diffstat (limited to 'contrib/syslinux-4.02/core/io.inc')
| -rw-r--r-- | contrib/syslinux-4.02/core/io.inc | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/core/io.inc b/contrib/syslinux-4.02/core/io.inc new file mode 100644 index 0000000..7161346 --- /dev/null +++ b/contrib/syslinux-4.02/core/io.inc @@ -0,0 +1,35 @@ +;; ----------------------------------------------------------------------- +;; +;; Copyright 1994-2009 H. Peter Anvin - All Rights Reserved +;; Copyright 2009 Intel Corporation; author: H. Peter Anvin +;; +;; This program is free software; you can redistribute it and/or modify +;; it under the terms of the GNU General Public License as published by +;; the Free Software Foundation, Inc., 53 Temple Place Ste 330, +;; Boston MA 02111-1307, USA; either version 2 of the License, or +;; (at your option) any later version; incorporated herein by reference. +;; +;; ----------------------------------------------------------------------- + +;; +;; io.inc +;; +;; I/O related macros +;; + +%ifndef _IO_INC +%define _IO_INC + +%define IO_DELAY_PORT 80h ; Invalid port (we hope!) + +%macro io_delay 0.nolist + out IO_DELAY_PORT,al + out IO_DELAY_PORT,al +%endmacro + +%macro slow_out 2.nolist + out %1,%2 + io_delay +%endmacro + +%endif ; _IO_INC |